This part is a kind of semiconductor called F10SC4.
Function of this product has SF10SC4.
Manufacturers : Shindengen
Image and pinout :

Some of the text within the PDF file :
www.datasheet4u.com SHINDENGEN Schottky Rectifiers (SBD) Dual SF10SC4 40V 10A FEATURES Tj150 PRRSM avalanche guaranteed Fully Isolated Molding Dielectric strength 2kV guaranteed APPLICATION Switching power supply DC/DC converter Home Appliances, Office Equipment Telecommunication OUTLINE DIMENSIONS Case : FTO-220 Unit : mm RATINGS Absolute Maximum Ratings (If not specified Tc=25) Item Symbol Conditions Tstg Storage Temperature Tj Operating Junction Temperature VRM Maximum Reverse Voltage VRRSM Pulse width 0.5ms, duty 1/40 Repetitive Peak Surge Reverse Voltage IO Average Rectified Forward Current 50Hz sine wave, R-load, Rating for each diode Io/2, Tc=131 I FSM Peak Surge Forward Current 50Hz sine wave, Non-repetitive 1 cycle peak value, Tj=25 PRRSM Pulse width 10Ês, Rating of p [ ... ]
F10SC4 PDF Datasheet Download
